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Ext Hi-Speed Modem vs Computer Modem Speed

by Dominick Uli / January 23, 2008 7:18 AM PST

I have high speed DSL (400-600 Mbps) comming into my house on the phone line to a high speed DSL modem which uses an eithernet cable. I had the ATT rep check this. When he hooked his computer up to the line he got 400 Mbps. When I hook up my Toshiba Satellite I get a solid 100 Mbps. When I hook the modem to my Netgear wireless router, my wife gets 400 Mbps on her computer. I can not find what is blocking my computer from getting 400 Mbps.
I have uninstalled all programs from running on my computer and removed all pop-up blockers.

Anyone got any suggestions???


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You SURE It's 400 Mbps? Not Kbps????
by Grif Thomas Forum moderator / January 23, 2008 7:43 AM PST

I've not seen such a thing. Even Fiber Optic speeds are generally in the 5 - 20+ Mbps range.. If you're truly getting 400 Mbps then the 100 Mbps may be a limit of your ethernet card.. Or maybe you mean Kbps.. In our area, our "slow/half speed" DSL is 785 Kbps and we go up from there.. For example, my home currently uses 3000 Kbps (3.0 Mbps) and some are quite a bit faster..

Still, you want to get the maximum out of your connection so I'll ask:

1. Which operating system are you using on the laptop and are you connecting it through a "wired" connection?

2. Have you visited the Windows update site and installed all the Windows Updates that apply?

3. Have you scanned your computer for malware/spyware/viruses using multiple different tools?

4. If a wired connection, have you tried updating your ethernet drivers on the computer? If a wireless connection, update the wireless adapater.

Hope this helps.


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Elementary Dear Watson
by Jimmy Greystone / January 23, 2008 7:45 AM PST

Elementary Dear Watson, your computer does not have a gigabit ethernet controller while your wife's does.

And I would agree that you need to double check your units there. You'd have to be plugged directly into an Internet backbone to get 400Mbps, and if you could afford that, you could afford to have your own private full-time IT staff on hand to handle these things for you.

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More Than Capable
by sunwatcher / January 23, 2008 8:18 AM PST

While your connection speed to your DSL router is indicated at 100Mbps, the actual DSL line capacity (your internet download speed) is probably no more than 5 to 10Mbps. Your computer's NIC is more than capable of handling your highest download speed.

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